SLAU472C February 2013 – November 2023 TAS2505 , TAS2505-Q1
The device can be powered directly from a single of from 2.75V to 5.5V rail through the SPKVDD (Speaker power supply) pin. During operation the AVDD LDO is activated via the LDO_SEL pin to connect the SPKVDD pin. Also in this case, the AVDD pin as the LDO output must be connected to the DVDD pin externally.